Re: [PATCH v4 0/4] Introducing QMP query-netdev command

[Alexey Kirillov <lekiravi@yandex-team.ru>]

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http://patchwork.ozlabs.org/project/qemu-devel/list/?series=203284

21.09.2020, 22:19, "Alexey Kirillov" <lekiravi@yandex-team.ru>:
> This patch series introduces a new QMP command "query-netdev" to get
> information about currently attached backend network devices (netdevs).
> Also, since the "info_str" field of "NetClientState" is now deprecated,
> we no longer use it for netdevs, only for NIC/hubports.
> The HMP command "info network" now also uses the new QMP command inside.
>
> Usage example:
>
> -> { "execute": "query-netdev" }
> <- { "return": [
>          {
>              "listen": "127.0.0.1:90",
>              "type": "socket",
>              "peer-id": "hub0port1",
>              "id": "__org.qemu.net1"
>          },
>          {
>              "script": "/etc/qemu-ifup",
>              "downscript": "/etc/qemu-ifdown",
>              "ifname": "tap0",
>              "type": "tap",
>              "peer-id": "net5",
>              "vnet_hdr": true,
>              "id": "tap0"
>          },
>          {
>              "ipv6": true,
>              "ipv4": true,
>              "host": "10.0.2.2",
>              "ipv6-dns": "fec0::3",
>              "ipv6-prefix": "fec0::",
>              "net": "10.0.2.0/255.255.255.0",
>              "ipv6-host": "fec0::2",
>              "type": "user",
>              "peer-id": "net0",
>              "dns": "10.0.2.3",
>              "hostfwd": [
>                  {
>                      "str": "tcp::20004-:22"
>                  }
>              ],
>              "ipv6-prefixlen": 64,
>              "id": "netdev0",
>              "restrict": false
>          }
>      ]
>    }
>
> v3->v4:
> - Rename "query-netdevs" to "query-netdev".
> - Copy netdev drivers to new QAPI enum "NetBackend".
>
> v2->v3:
> - Remove NIC and hubports from query-netdevs.
> - Remove several fields from NetdevInfo since they are unnecessary.
> - Rename field @peer to @peer-id.
> - Add support of vhost-vdpa.
> - Keep "info_str" for NIC/hubports, but remove it for netdevs.
>
> v1->v2:
> - Rewrite HMP "info network" to get information from results of QMP command.
> - Remove obsolete field "info_str" from "NetClientState".
>
> Alexey Kirillov (4):
>   qapi: net: Add query-netdev command
>   tests: Add tests for query-netdev command
>   hmp: Use QMP query-netdev in hmp_info_network
>   net: Do not use legacy info_str for backends
>
>  include/net/net.h | 4 +-
>  net/clients.h | 1 +
>  net/hub.c | 4 +-
>  net/hub.h | 2 +-
>  net/l2tpv3.c | 21 +++-
>  net/net.c | 213 +++++++++++++++++++++++++++++++-
>  net/netmap.c | 13 ++
>  net/slirp.c | 128 ++++++++++++++++++-
>  net/socket.c | 91 ++++++++++----
>  net/tap-win32.c | 10 +-
>  net/tap.c | 107 ++++++++++++++--
>  net/vde.c | 39 +++++-
>  net/vhost-user.c | 20 ++-
>  net/vhost-vdpa.c | 15 ++-
>  qapi/net.json | 80 ++++++++++++
>  tests/qtest/meson.build | 3 +
>  tests/qtest/test-query-netdev.c | 115 +++++++++++++++++
>  17 files changed, 807 insertions(+), 59 deletions(-)
>  create mode 100644 tests/qtest/test-query-netdev.c
>
> --
> 2.25.1


-- 
Alexey Kirillov
Yandex.Cloud